Which of the Following Studies Would a Community Ecologist Undertake

question 30

Multiple Choice

Which of the following studies would a community ecologist undertake to learn about competitive interactions?
I.selectivity of nest sites among cavity-nesting songbirds
II. the grass species preferred by grazing pronghorn antelope and bison
III.stomach analysis of brown trout and brook trout in streams where they coexist

• A) only I and II
• B) only I and III
• C) only II and III
• D) I, II, and III

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Definitions:

Specific Procedure

A set of established steps or actions designed to achieve a particular outcome or result in a precise manner.

Behavior

The observable actions or reactions of humans or animals in response to external or internal stimuli.

Variable

Any characteristic whose values can change.

Testable Hypothesis

A prediction that has been formulated specifically enough so that it is clear what observations would confirm the prediction and what observations would challenge it.